WO2009018868A1 - Dispositif d'extinction, système et procédé d'extinction destinés à la lutte contre l'incendie locale - Google Patents

Dispositif d'extinction, système et procédé d'extinction destinés à la lutte contre l'incendie locale Download PDF

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Publication number
WO2009018868A1
WO2009018868A1 PCT/EP2008/004240 EP2008004240W WO2009018868A1 WO 2009018868 A1 WO2009018868 A1 WO 2009018868A1 EP 2008004240 W EP2008004240 W EP 2008004240W WO 2009018868 A1 WO2009018868 A1 WO 2009018868A1
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WO
WIPO (PCT)
Prior art keywords
extinguishing
extinguishing agent
water
agent
fire
Prior art date
Application number
PCT/EP2008/004240
Other languages
German (de)
English (en)
Inventor
Hasso von Blücher
Original Assignee
BLüCHER GMBH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BLüCHER GMBH filed Critical BLüCHER GMBH
Priority to US12/672,508 priority Critical patent/US9186532B2/en
Priority to CA2695483A priority patent/CA2695483C/fr
Priority to DE502008002956T priority patent/DE502008002956D1/de
Priority to EP08758824A priority patent/EP2175939B1/fr
Priority to AT08758824T priority patent/ATE502681T1/de
Publication of WO2009018868A1 publication Critical patent/WO2009018868A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C99/00—Subject matter not provided for in other groups of this subclass

Definitions

  • Extinguishing device Extinguishing device, extinguishing system and method for local firefighting
  • the invention relates to an extinguishing device designed for local fire fighting in buildings at the location of a fire source according to the preamble of claim 1 and a corresponding method according to the preamble of claim 23. Furthermore, the present invention relates to an extinguishing system with a plurality of extinguishing devices of the aforementioned type according to claim 19.
  • sprinkler systems are automatic fire extinguishing systems that are used for preventive fire protection in special buildings such as skyscrapers, commercial buildings, department stores, industrial plants, assembly areas and underground car parks.
  • special buildings such as skyscrapers, commercial buildings, department stores, industrial plants, assembly areas and underground car parks.
  • sprinkler heads On the ceiling or in the upper part of the side walls several water outlet nozzles, so-called sprinkler heads, attached, which are connected to a water pipe network.
  • the water outlet nozzles in turn are closed with glass ampoules, which are filled with a colored special liquid.
  • a constant water pressure which is controlled in the sprinkler control center.
  • the special liquid in the glass vials warms and expands, causing the ampoules to burst.
  • the nozzles are opened and the extinguishing water exits the sprinkler pipe network.
  • the resulting pressure drop is detected by a control device and leads to the opening of other valves and the start of pumps. From this point on, water is pumped into the sprinkler system from tanks provided for this purpose or via a water outlet of high pressure. This leaks at all open water nozzles and extinguishes or minimizes the fire.
  • a disadvantage of sprinkler systems is. that these systems are often designed as systems interconnected over a large area, so that in the case of a small fire or in the case of a false trip, considerable damage is caused by the sprayed extinguishing agents are the result. Moreover, buildings can be retrofitted with the known, permanently installed sprinkler systems only with considerable effort.
  • extinguishing devices are known from the prior art, in which a fire extinguishing column is used for local fire fighting in buildings at the site of a fire.
  • Such room extinguishing columns consist of a transportable housing with distributed over its housing wall arranged extinguishing nozzles for discharging an extinguishing agent stored in the housing, wherein in the housing connected to the extinguishing nozzles tank for receiving the extinguishing agent, a power supply module and a fire alarm sensors connected control module for controlling a deletion function the room extinguishing column are provided.
  • the known room extinguishing columns can be placed decentralized in a building, it being possible to operate the room extinguishing columns with respect to the triggering and extinguishing function completely self-sufficient. Thus, depending on the size of the room, a single space extinguisher placed in the room in question may be sufficient. For large rooms, it is also possible to install several room extinguishing columns.
  • the known room extinguishing columns make it possible to retrofit a building with little constructive effort and low costs, whereby false alarms can only affect a single room extinguishing column, which leads to less damage than in the case of false triggering of a sprinkler system. Due to the possibility of extinguishing a fire only locally in the surrounding area of the source of the fire, damage attributable to the sprayed extinguishing agent can be limited, which is particularly advantageous in the case of locally occurring comparatively small fire foci.
  • the known extinguishing columns have only a comparatively low effectiveness in local firefighting.
  • embers can be erased only insufficient with the known space extinguishing columns, which can lead to a resurgence of the fire after completion of the deletion process.
  • the invention is therefore an object of the invention to provide an extinguishing device, a method and a fire extinguishing system each of the aforementioned type at your disposal, the effective fire fighting in buildings, on Location of a source of fire and in the immediate vicinity of the source of the fire, allow, in particular, embers are to be erased as completely as possible at the site of the fire.
  • an extinguishing device which has an extinguishing unit having a nozzle device with a plurality of extinguishing nozzles for discharging preferably liquid extinguishing agent only at the location of the source of fire and for decentralized arrangement in the building, at least one device communicates with the extinguishing nozzles in a fluid-communicating manner Extinguishing agent container, at least one pressure generating device for discharging the extinguishing agent via the extinguishing nozzles and at least one fire sensor, provided that the pressure generating device for generating a discharge pressure of the extinguishing agent of at least 10 bar, preferably up to 1,500 bar, in particular between 20 to 200 bar trained ,
  • the extinguishing agent is discharged according to the invention with high pressure from the extinguishing nozzles, which requires a corresponding design of the pressure generating device.
  • the pressure-generating device can have at least one (high-pressure) pump.
  • the discharge of the extinguishing agent under high pressure leads to a faster and more complete extinguishment of a fire, in particular embers or fire nests can be extinguished quickly and completely.
  • the amount of extinguishing agent required for extinguishing a source of fire can be significantly reduced by the high-pressure discharge of the extinguishing agent, which reduces the occurrence of damage caused by the discharged extinguishing agent.
  • the extinguishing agent is discharged or sprayed as a spray. It is understood that in this case, the nozzle device must be designed accordingly and the pressure level of the extinguishing agent must be correspondingly high in order to distribute the extinguishing agent finely distributed, in the manner of a mist, under high pressure.
  • the opening angle of the spray cone generated by an extinguishing nozzle may be less than 15 °, preferably less than 10 °.
  • the quenching unit may preferably be designed as a quenching column, wherein the term "column” is not limited to spatial structures with a circular cross-section. Incidentally, spatial structures are also conceivable which have a polygonal cross section. Also, sheet formations, such as plates formous erasing units, are covered by the invention. If the extinguishing units are of a columnar design, they can extend longitudinally from a floor of the building up to a ceiling height of at least 1.5 m, preferably at least 2.5 m. The extinguishing columns can also be used for decorative purposes or for advertising purposes, but it must be ensured that an unimpeded discharge of the extinguishing agent through the extinguishing nozzles is guaranteed at all times.
  • the nozzles can be distributed over the housing wall, preferably evenly distributed.
  • a particularly good fire-extinguishing effect emanates from a quenching unit set up on a building floor, when nozzles are arranged in the longitudinal direction of the housing wall at a distance of at least 1, 0 to 3.5 m above the floor, wherein preferably, the nozzles should be provided at least in the upper third of the housing wall.
  • at least one nozzle or, preferably, a plurality of nozzles may be provided on an upper end face of the housing wall.
  • the extinguishing agent may also comprise at least one hydrophilic, swellable component, wherein, preferably, the swellable component is dispersible in water, and, more preferably, the component is a superabsorbent polymer.
  • Hydrophilic swellable materials which can be used as extinguishing agents are known, for example, from DE 35 15 865 A1 and DE 38 14 751 A1 to the Applicant. For example, you can swellable polymers based on Polyacry lat or polymethacrylate and / or based on the modifications are used.
  • Firesorb® is a liquid polymer preparation that can absorb many times more water. This forms a heat-shielding gel that adheres even to ceilings and vertical walls. Due to its high toughness (viscosity), the Firesorb® gel only flows very slowly away from burning material and therefore remains extinguishing for longer. The protective film absorbs the heat of combustion at the surface, under which the air-closing function remains. Water added with Firesorb® acts as a liquid fire blanket, stifling the fire by closing the air and providing cooling. Firesorb® is a concentrate of superabsorbent polymer particles that are slightly pre-swollen with water.
  • the extinguishing agent from a mixture of extinguishing water with a concentrate of the type described above is available as extinguishing water additive.
  • the extinguishing agent is obtainable by mixing extinguishing water with an extinguishing water additive
  • two extinguishing agent containers may be provided, a first extinguishing agent container being provided for receiving extinguishing water and a second extinguishing agent container for receiving the extinguishing water additive.
  • a mixing device is required to mix the extinguishing water and the extinguishing water additive to the usable extinguishing agent.
  • the extinguishing water and the extinguishing water additive can be supplied separately from the nozzle device and mixed only immediately before the discharge.
  • the extinguishing nozzles are designed accordingly, preferably for a superfine. misting of the enforced mixture of extinguishing water and extinguishing water additive.
  • it may come after the mixing of extinguishing water and extinguishing water additive to a further swelling of a swellable additive contained in the extinguishing water additive, which must be taken into account in the design of the nozzle device accordingly.
  • the extinguishing water and the extinguishing water additive are discharged separately.
  • two different extinguishing agents are discharged per se, namely extinguishing water and extinguishing water additive.
  • extinguishing water and extinguishing water additive can be provided to discharge the extinguishing water in the form of a nibble with very small liquid droplets and the extinguishing water additive with larger liquid droplets. This then leads to the extinguishing water evaporates in the surrounding area of the fire largely completely under heat absorption, while the extinguishing water additive lays as a liquid fire blanket on the fire.
  • the discharge quantity of the extinguishing agent can be between 100 and 5,000 l / h, preferably between 500 and 2,500 l / h.
  • the first extinguishing agent container for the extinguishing water may have a filling volume between 10 to 1000 l, preferably between 100 to 750 l, wherein, preferably, the second extinguishing agent container for the extinguishing water additive may include a smaller volume. It is understood that in principle both extinguishing agent container can be made the same size.
  • the discharge quantity for the extinguishing water and the extinguishing water additive may each be between 100 and 5000 l / h, preferably between 500 and 25001 / h.
  • the extinguishing agent In order to extinguish a fire as completely as possible, it will usually be necessary to discharge the extinguishing agent over a total period of 1 to 10 minutes, preferably 2 to 5 minutes. In order to reduce the amount of extinguishing agent discharged overall during a deletion operation, it may be provided that the extinguishing agent be discharged in a plurality of cycles, the total period of the extinguishing agent discharge comprising a plurality of cycles and each clock preferably has a duration of less than 1 minute.
  • the pressure generating device in particular a pump, and an electric motor as a drive for the pump, can be arranged within the erase unit.
  • the arrangement of the pressure generating means within the erasing unit allows the erasing apparatus to be portable. If the site of the extinguishing device or the corresponding building permit, according to an embodiment of the invention can also be provided that the or the extinguishing agent container is connected to an external pressure supply / are.
  • the extinguishing agent container is disposed within the quenching unit, wherein, preferably, the extinguishing agent container may be formed by a housing wall of the quenching unit.
  • the extinguishing agent container can be connected via a housing-side auxiliary connection to an external extinguishing agent supply, which makes it possible to provide a larger amount of extinguishing agent in case of fire.
  • the mixing device required for this purpose can also be arranged within the extinguishing unit.
  • a power supply device is required for the operation of the pressure generating device, which must also be arranged in the erase unit.
  • the energy supply device has, for example, an accumulator as an energy store. It is understood that the extinguishing device according to the invention can also be connected to an external power supply, such a connection of the extinguishing device to the building-side power grid is usually easy and flexible to implement.
  • the erasing unit is arranged stationary in the building.
  • means for attaching the erase unit to a wall or on a floor of the building may be provided.
  • means for suspending or clamping to provided holders on ceilings, walls or also rollers, wheels or the like may be provided, which permit a method of erasing unit.
  • a control device connected to the fire alarm sensor can be provided.
  • the operation of the extinguishing device is controlled, the extinguishing function relates to the discharge of extinguishing agent in case of fire.
  • the control device is also arranged within the erase unit, wherein the invention also permits, as required, in an extinguishing system with a plurality of extinguishing devices to network the control of the extinguishing devices, wherein the extinguishing devices can be controlled via a central control system.
  • each extinguishing device can be operated independently of other extinguishing devices in the extinguishing function.
  • Immediately adjacent means, for example, in a radius around a fire with a radius of 5 to 15 m. Damage in the building due to the discharged extinguishing agent in the event of a false trip or locally occurring fire can be localized.
  • adjacent extinguishing devices may have a mutual distance of at least 3 m, preferably at least 5 m.
  • the distance of the extinguishing devices should only be chosen so large that in the area between two adjacent extinguishing devices still sufficient extinguishing effect is ensured in case of fire.
  • a plurality of adjacent extinguishing devices in an extinguishing system may also be operable simultaneously, wherein the activation of the extinguishing function of a first extinguishing device disposed in the vicinity of a fire automatically automatically activates the extinguishing functions only of those extinguishing system extinguishing devices disposed immediately adjacent to the first extinguishing device are.
  • the erasing devices which are not arranged immediately adjacent to the first erasing device are not activated or not put into an erasing function.
  • a common control device for all extinguishing devices in an extinguishing system makes it possible to control or activate the extinguishing devices starting from a central point in the building, such as a control station or the like, in order to enable targeted firefighting.
  • the invention further relates to an extinguishing device and a method for local firefighting outside of buildings at the location of a fire.
  • Object of the present invention is to provide an erasing device and an erasing method respectively of the aforementioned type, the Enable local firefighting outside of buildings at the location of a fire with high efficiency and are easy to handle.
  • the extinguishing device has at least one moveable extinguishing unit connected to the extinguishing agent container, at least one manually operated high-pressure spraying device with at least one extinguishing nozzle and at least one pressure generating device for discharging extinguishing agent via the high-pressure spraying unit direction to the source of the fire, wherein the pressure generating device for generating a discharge pressure of the extinguishing agent of at least 10 bar, preferably up to 1500 bar, in particular between 20 to 200 bar, is formed. Accordingly, it is provided in the inventive method that the extinguishing agent is discharged at high pressure.
  • the invention is based on this point, first of all the basic idea, the quenching unit with the extinguishing agent container movable form, so that it can be driven in the immediate vicinity of a fire.
  • This is compared to the previously known portable Löschein Kraft a larger 0 fluid reservoir for extinguishing agent at the location of the source of fire available.
  • the method of erasing unit can be done in the simplest case with muscle power. In principle, however, it is also possible to provide a motor drive for off-road operation.
  • the high-pressure spraying device is connected in a fluid-communicating manner with the extinguishing agent container, wherein the desired high-pressure is generated by means of the pressure-generating device.
  • the pressure generating device may comprise at least one (high pressure) pump.
  • a plurality of high-pressure spraying devices can also be connected to a quenching unit. It is equally possible that the pressure generating device is integrated into the Hochdrucksprüh worn, so that the erase unit is provided only as an extinguishant memory. 5
  • the discharge of the extinguishing agent under high pressure makes it possible to To extinguish embers or high-efficiency fires.
  • the extinguishing agent is discharged in the form of a finely divided mist or spray, which also contributes to an improved extinguishing effect.
  • the combination of high-pressure technology and high-jet nozzle enables a particularly fine atomization of the extinguishing agent.
  • the small droplets evaporate completely, thereby removing the maximum amount of energy from the fire. In practice, this results in an optimal extinguishing effect of the water used.
  • a jet adjustment from the spray jet to the full jet can be achieved.
  • the opening angle of the spray cone generated by an extinguishing nozzle should be less than 15 °, preferably less than 10 °. With even smaller opening angle, it is also possible in principle to discharge the extinguishing agent as a full jet.
  • the extinguishing agent is water.
  • the extinguishing agent may also have at least one hydrophilic, swellable component, wherein, preferably, the component should be dispersible in water.
  • swellable polymers for example polyacrylate-based or polymethacrylate-based and / or based on the modifications, can be added to the extinguishing water as extinguishing water additives.
  • at least two extinguishing agent containers may be provided, wherein a first extinguishing agent container for receiving extinguishing water and a second extinguishing agent container may be provided for receiving the extinguishing water additive.
  • a concentrate of superabsorbent polymer particles may be contained in the second extinguishing agent container as the extinguishing water additive, wherein the polymer particles are slightly pre-swollen with water and prevented from further absorption of water by introduction into an organic phase.
  • a mixing device In order to mix the extinguishing water and the extinguishing water additive, a mixing device is provided, wherein the extinguishing water and the extinguishing water additive are preferably supplied separately to the extinguishing nozzle and mixed together only immediately before the discharge of the extinguishing agent.
  • the water binding of superabsorbent polymer particles accelerates considerably. Here it must be ensured that the swelling does not hinder the discharge. This sets a corresponding formation of the extinguishing nozzle ahead.
  • it can also be provided to discharge the extinguishing water and the extinguishing water additive via separate extinguishing nozzles simultaneously or via the same extinguishing nozzles in succession.
  • the extinguishing water additive can be further provided to discharge the extinguishing water finely distributed in the form of a mist, while the extinguishing water additive less finely distributed is discharged with larger liquid droplets.
  • the extinguishing water additive is superabsorbent polymer particles in the gel state, they lay over the source of fire like a carpet, so that it is suffocated.
  • the finely distributed extinguishing water evaporates completely, thus removing a large amount of heat from the fire.
  • the discharge amount of the extinguishing agent should be between 100 to 2,500 l / h, preferably between 500 to 1,600 l / h.
  • the first extinguishing agent container for the extinguishing water can have a filling volume of at least 50 l, in particular between 100 and 500 l.
  • the second extinguishing agent container for the extinguishing water additive preferably has a smaller volume.
  • the filling volume of the first and / or the second extinguishing agent container may also be correspondingly larger. It is important that the filling volume of the or the extinguishing agent container allows a method of Löhneheit in the field.
  • a power supply device arranged in the erase unit can be provided for the power supply independently of a deletion train or a stationary power supply line, it being possible for the energy supply device to have at least one rechargeable battery as an energy store. At the location of a rechargeable battery, it is also possible to use a gasoline-powered generator.
  • the extinguishing agent should be discharged for a period of 1 to 10 minutes, preferably 2 to 5 minutes.
  • it may be provided to discharge the extinguishing agent in a timed manner, wherein in short sprays each a predetermined amount of the extinguishing agent is discharged.
  • a corresponding control device can be provided.
  • the discharge of the extinguishing agent can also be controlled manually.
  • the invention makes it possible, if necessary, to combine the features mentioned in the claims and / or the features described with reference to the drawing, even if this is not described in detail. Also, a combination of previously described features of local firefighting in extinguishing devices, with features of such extinguishing devices are designed for local firefighting outside of buildings, is possible.
  • the above value specifications and the specified intervals in each case capture all values, so not only the lower limits or at intervals the interval limits, without this needs an explicit mention.
  • Fig. 1 is a schematic cross-sectional view of an inventive
  • Extinguishing device designed for local firefighting in buildings at the site of a fire and
  • Fig. 2 is a schematic cross-sectional view of an inventive
  • Extinguishing device designed for local firefighting outside of buildings at the location of a fire.
  • an extinguishing device 1 is shown schematically designed for local fire fighting in buildings at the site or in the immediate vicinity of a fire.
  • the extinguishing device 1 has a nozzle device 2 with a plurality of extinguishing nozzles 3, designed for discharging extinguishing agent 4 only at the location or in the immediate vicinity of the source of the fire and for decentralized arrangement in a building, not shown on.
  • the discharge of the extinguishing agent 4 is shown schematically in Fig. 1 only for a single extinguishing nozzle 3. It is understood that in case of fire from a plurality of extinguishing nozzles 3, preferably from all extinguishing nozzles 3, the extinguishing agent 4 is discharged.
  • the nozzle device 2 is an integral part of a quenching unit designed as extinguishing column 5, which in the illustrated embodiment 2 extinguishing agent container 6, 7 and a pressure generating device 8 and a mixing device 9 has.
  • a plurality of fire sensors 10 are provided for the detection of a fire, which are set to a particular combined optics, smoke, CO, temperature indication.
  • the data recorded by the fire alarm sensors 10 are transmitted to a control device not shown in detail, wherein the control device in response to the received signals causes the activation of a deletion function. After activation of the deletion function is a release of extinguishing agent 4 via the extinguishing nozzles 3.
  • control device may be integrated in addition to a telecommunication function for transmitting a message to a given recipient.
  • the fire alarm sensors 10 are arranged as well as the extinguishing nozzles 3 distributed over a housing wall 1 1 of the extinguishing unit 5.
  • the extinguishing agent 4 is obtainable from a mixture of extinguishing water 12 and at least one extinguishing water additive 13, wherein a gelatinous concentrate of at least one water-preswollen polymer in an organic phase is used as extinguishing water additive 13.
  • the extinguishing water 12 is stored in the first extinguishing agent container 6 and the extinguishing water additive 13 in the second extinguishing agent container 7.
  • extinguishing water 12 and extinguishing water additive 13 is sucked out in a predetermined mixing ratio and passed to the mixing device 9.
  • a metered addition of 1 to 10%, in particular of 2 to 3%, of the extinguishing water additive 13 to the extinguishing water 12 is provided.
  • the pressure generating device 8 generates the discharge pressure of the extinguishing agent 4 required for discharging the extinguishing agent 4 via the extinguishing nozzles 3 of at least 10 bar, preferably up to 1,500 bar, in particular between 20 and 200 bar. In a further preferred embodiment, a discharge pressure of approximately 40 bar is achieved. testifies.
  • the pressure generating device 8 which may be a pump in the simplest case, is connected via pressure lines 14 with the extinguishing nozzles 3 on the one hand and via suction lines 15a-c to the mixing device 9 and the two extinguishing agent containers 6, 7.
  • the extinguishing agent 4 In case of fire, it comes to the discharge of the extinguishing agent 4 under pressure, the extinguishing agent 4 is discharged as a spray.
  • the high-pressure discharge of the extinguishing agent 4 allows a particularly fine atomization of the extinguishing agent. In practice, this results in an optimal extinguishing effect of the extinguishing agent used 4.
  • the room temperature level in the surrounding area of the fire is very quickly lowered and soot and suspended particles from the ambient air washed out. Thus, the visibility in a fire-exposed room is positively influenced.
  • the low extinguishing agent consumption with maximum effectiveness ensures cost-effective protection of the building inventory in a very short period of time within which a fire can be completely extinguished.
  • the extinguishing water additive 13 contains superabsorbent polymer particles which are slightly pre-swollen with water. By incorporation into a special, biodegradable oil, the polymers are prevented from further water absorption. In this form, the extinguishing water additive 13 is very easy to transport and handle. Once the extinguishing water additive 13 is mixed in the mixing device 9 with the extinguishing water 12, it comes to re-water binding, which can be further enhanced by stirring or pumping this effect. In the extinguishing device 1 shown in FIG.
  • extinguishing water 12 and the extinguishing water additive 13 may be provided separately, so two pressure generating means 8 may be provided to build the necessary outlet pressure of the extinguishing water 12 on the one hand and the extinguishing water additive 13 on the other.
  • extinguishing nozzles 3 for the extinguishing water 12 on the one hand and further extinguishing nozzles 3 for the extinguishing water additive 13 on the other hand can be provided and designed accordingly.
  • the extinguishing nozzles are the third preferably uniformly distributed over the housing wall 1 1 of the quenching unit 5, wherein the extinguishing nozzles 3 extend in the illustrated embodiment over the entire upper half of the housing wall 1 1. Moreover, a plurality of extinguishing nozzles 3 are provided on an upper end face 16 of the housing wall 11. As a result, the extinguishing agent discharge over the entire outer surface including the upper end face 16 of the Löschillon 5 done, where it is in principle also possible that extinguishing nozzles 3 are also provided in the region of the lower half of the housing 1 1.
  • an energy supply device is provided in the deleting unit 5, wherein the energy supply device has at least one rechargeable battery as an energy store for operating the pressure generating device 8.
  • the extinguishing unit embodied as extinguishing column 5 can be arranged, if required, in a transportable or even stationary manner in the building.
  • an extinguishing device 17 is shown, which is designed for local firefighting outside of buildings at the site or in the immediate vicinity of a fire.
  • the extinguishing device 17 has a schematically represented moveable extinguishing unit 18 and at least one high-pressure spraying unit 19 shown schematically.
  • a first extinguishing agent container 20 for extinguishing water 21 and a second extinguishing agent container 22 for an extinguishing water additive 23 are arranged within the extinguishing unit 18.
  • the extinguishing water additive 23 corresponds to the extinguishing water additive 13 which is used in the extinguishing device 1 shown in FIG.
  • the erasing unit 18 has a pressure generating device 24 and a mixing device 25.
  • the pressure generating device 24 which is a high-pressure pump, the necessary discharge pressure for an extinguishing agent 26 is established, the extinguishing agent 26 is obtainable by mixing extinguishing water 21 with the extinguishing water additive 23 in a predetermined mixing ratio in the mixing device 25.
  • a metered addition of 1 to 10%, in particular of 2% to 3%, of the fire-extinguishing water 21 is provided.
  • the extinguishing water 21 and the extinguishing water additive 23 is sucked to the mixing device 25 by the pressure generating device 24 via suction lines 27a and 27b.
  • the Hochdrucksprüh worn 19 is manually carried by a firefighter and operable so that the spray of the extinguishing agent 26 can be targeted to the location of a source of fire aligned.
  • the erase unit 18 has an energy supply device with at least one accumulator as an energy store for the pressure generating device 24.
  • the power supply device may also have a generator.
  • the extinguishing device 17 shown in Fig. 2 makes it possible to transport a larger quantity of extinguishing water to the location of a fire and using the high-pressure spraying 19 discharge the extinguishing water 21 together with the extinguishing water additive 23, so that in particular embers and fire can be effectively combated.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Alarm Systems (AREA)

Abstract

L'invention concerne un dispositif d'extinction conçu pour la lutte contre l'incendie locale dans des bâtiments, à l'emplacement d'un foyer d'incendie, comprenant une unité d'extinction présentant un dispositif à buses doté d'une pluralité de buses d'extinction, unité configurée pour le déversement d'un agent d'extinction à l'emplacement du foyer d'incendie, et pour une disposition décentralisée dans le bâtiment, au moins un conteneur d'agent d'extinction en liaison avec communication de fluide avec lesdites buses d'extinction, au moins un dispositif générateur de pression pour le déversement de l'agent d'extinction via les buses d'extinction, et au moins un détecteur d'alarme d'incendie. L'invention est caractérisée en ce que le dispositif générateur de pression est configuré de manière à fournir une pression de déversement de l'agent d'extinction d'au moins 10 bar.
PCT/EP2008/004240 2007-08-06 2008-05-28 Dispositif d'extinction, système et procédé d'extinction destinés à la lutte contre l'incendie locale WO2009018868A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US12/672,508 US9186532B2 (en) 2007-08-06 2008-05-28 Extinguishing device, extinguishing system, and method for local firefighting
CA2695483A CA2695483C (fr) 2007-08-06 2008-05-28 Dispositif d'extinction, systeme et procede d'extinction destines a la lutte contre l'incendie locale
DE502008002956T DE502008002956D1 (de) 2007-08-06 2008-05-28 Löschsystem und verfahren zur lokalen brandbekämpfung
EP08758824A EP2175939B1 (fr) 2007-08-06 2008-05-28 Système et procédé d'extinction destinés à la lutte contre l'incendie locale
AT08758824T ATE502681T1 (de) 2007-08-06 2008-05-28 Löschsystem und verfahren zur lokalen brandbekämpfung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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EP2175939A1 (fr) 2010-04-21
EP2175939B1 (fr) 2011-03-23
ATE502681T1 (de) 2011-04-15
DE102007036902A1 (de) 2009-02-12
EP2283902B1 (fr) 2016-06-08
CA2695483A1 (fr) 2009-02-12
DE502008002956D1 (de) 2011-05-05
US9186532B2 (en) 2015-11-17
EP2283902A1 (fr) 2011-02-16
US20110259615A1 (en) 2011-10-27
CA2695483C (fr) 2012-10-02

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